.help-list {
    padding: 0 0.3rem;
    height: 0.9rem;
    line-height: 0.9rem;
    position: relative;
    font-size: 0.3rem;
    color: #424242;
}

.help-list::after {
    content: " ";
    position: absolute;
    width: 100%;
    height: 1px;
    left: 0;
    bottom: 0;
    background-color: #dcdcdc;
}

footer {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}

.f-nav {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
}

.navIcon {
    width: 0.4rem;
    height: 0.4rem;
    margin: 0.14rem auto 0.06rem;
}

.homeIcon {
    background: url(../images/homeIcon.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.typeIcon {
    background: url(../images/typeIcon.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.myIcon {
    background: url(../images/myIcon.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.moreIcon {
    background: url(../images/moreIcon.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.f-nav-active .homeIcon {
    background: url(../images/homeIcon-active.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.f-nav-active .typeIcon {
    background: url(../images/typeIcon-active.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.f-nav-active .myIcon {
    background: url(../images/myIcon-active.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.f-nav-active .moreIcon {
    background: url(../images/moreIcon-active.png) no-repeat;
    background-size: 0.4rem 0.4rem;
}

.navTit {
    font-size: 0.22rem;
    height: 0.3rem;
    line-height: 0.3rem;
    text-align: center;
    color: #fff;
}

.f-nav-active .navTit {
    color: #e38a47;
}

@media (-webkit-device-pixel-ratio: 1.5) {
    .help-list::after {
        -webkit-transform: scaleY(.6666);
        -ms-transform: scaleY(.6666);
        -o-transform: scaleY(.6666);
        transform: scaleY(.6666);
    }
}

@media (-webkit-device-pixel-ratio: 2) {
    .help-list::after {
        -webkit-transform: scaleY(.5);
        -ms-transform: scaleY(.5);
        -o-transform: scaleY(.5);
        transform: scaleY(.5);
    }
}

@media (-webkit-device-pixel-ratio: 3) {
    .help-list::after {
        -webkit-transform: scaleY(.3333);
        -ms-transform: scaleY(.3333);
        -o-transform: scaleY(.3333);
        transform: scaleY(.3333);
    }
}